Fresh hacks every day
[Jacques Lebrac] built a UV exposure box for printed circuit boards using just one LED. He usually makes boards that are just a few square inches and didn't think building a box that had upwards of 80 LEDs was worth his time. He passed by the low power LEDs for a single 5W unit. Pumping 1.5A through this LED makes for some quick exposures, but causes heat issues. To solve this, an aluminum arm was … [Read more...]
[Bissinblob] has about 70 of these WYSE 3125SE thin clients and is offering them up at $15 a piece plus shipping. That's quite a steal! The specs are as follows: NS Geode GX1 core (SC2200)266Mhz Flash 32MB RAM 64MB Video 1280x1024(at 8-bit color), 1024x768 (at 16-bit) 10/100 network 3x usb 1x serial 1x parallel 2x PS/2 Be sure to let us know what you're doing with them if … [Read more...]
[Brian Grabski] was asked by a friend to design and build a dolly that would move a camera during a time-lapse sequence. Above you can see the product of his toils, and the videos after the break show off the parts that went into the design and showcase effectiveness of the build. The dolly is designed to ride on a pair of tubular rails. These can be bent to match any desired path and the … [Read more...]
Who wouldn't want to install this little bot as your newest pencil holder? Place a pencil tip-down and it will keep it from falling using two motors. There is a Dynamic Vision Sensor for each axis that provides feedback, but it's not the same as using a camera. These sensors pick up changes in pixel contrast, outputting a positive or negative number based on the direction the pencil is beginning … [Read more...]
[Craig] cracked open a multimeter to unlock RS232 serial communications that can be used for data logging. There's a couple of things that make this possible. First of all, the multimeter's processor is not covered in a black epoxy blob, leaving the pins exposed for hacking. Second, the chip model is known and [Craig] was able to get his hands on the datasheet. One of the pins enables serial … [Read more...]
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